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돼지에서 정맥, 근육 그리고 경구 투여시의 enrofloxacin의 약물동태학
윤효인,김무열,박승춘,조준형,박병권,이내경,노상석,장범수,신광순,조명행 충남대학교 수의과대학 동물의과학연구소 1996 動物醫科學硏究誌 Vol.4 No.-
In order to characterize pharmacokinetic profiles according to route of a new enrofloxacin salt form (Enrotil®), it was given to 4 healthy pigs via oral (p.o.), intramuscular (i.m.) or intravenous (i.v.) administrations at a dose rate of 5 ㎎/㎏ body weight. Enrofloxacin (ENFX) in serum was detected by bioassay using E. coli BE1186 as a test organism. The biological elimination half-lives (t_1/2(β)) of ENFX were 6.76±0.99 h (i.v.), 7.16±2.30 h (i.m.) and 11.45±3.90 h (p.o.), Volume of distribution (Vd) of enrofloxacin was 2.20±0.31 L/㎏ (i.v.), 2.52±0.60 L/㎏ (i.m.) and 1.88±0.33 L/㎏ (i.m.). Mean residence time (MRT) was 8.77±1.26 h after i.v. injection and the maximal concentration time (Tmax) following p.o. and i.m. administration was 0.76±0.09 h and 0.60±0.12 h, indicating a rapid absorption from these routes. Bioavailibility (F) was calculated as 64.1% for p.o. administration and 59.71% for i.m. injections. In summary, the newly formulated enrofloxacin salt form has shown a high water solubility, rapid absorption and large tissue distribution, suggesting a potential antibacterials for oral application on a large scale in veterinary sectors.
엔로플록사신 액제의 닭 호흡기 및 소화기 감염증에 대한 예방 및 치료효과
윤효인,박병권,조준형,정상희,박경환,장범수,김종춘,황윤환,임종환,이내경,박승춘 충남대학교 수의과대학 동물의과학연구소 2000 動物醫科學硏究誌 Vol.8 No.-
We evaluated the efficacy of the liquid form of enrofloxacin against poultry respiratory and digestive infections, the major problems in the poultry industry, from diverse diagnosis viewpoints. Results obtained through this study were as follows: 1. The liquid form of enrofloxacin showed good acceptability to poultry owing to no abhorrence to the drug by chickens, which indicated its suitability for mixing in drinking water. 2. The application of the enrofloxacin formulation improved the productivity of the chicken farm to a great extent by lowering the death toll of chicken raised in the farm. 3. The use of the drug shortened the days to the market, and increased the body weight at the time of marketing. 4. Preventive and therapeutic effects of the liquid enrofloxacin were observed higher than ampicillin, a major antibiotic used in poultry farming. From above results, the liquid form of enrofloxacin would find its use for the prevention and treatment of digestive and respiratory infections, let alone the growth promotion and feed efficiency, especially in the chicken farming practice.
尹畯相,申尹澈 公州大學校 地域開發硏究所 1992 地域開發硏究論叢 Vol.1 No.1
The purpose of this study is to explore the characteristics of the Rural Social Movement since 1980s. This study were carried out through the review of literature. The major findings of the study were that 1) There have been much possibility to break out social movement on a large scale in rural society on account of rural society having the social structural factors(the economic disharmony, the status discordance, the difference of cultural goals and institutionalized means) and the psychological factors(frustration, a sense of alienation). So, we can prescribe the rural society to the situation of Anomie. 2) The characteristics of Rural Social Movement are to search for not only the economics interests but also the improvement of social, political, economic status and rights. So, the farmers formed the movement organization to participate social reformative changes. 3) The Rural Social Movement has been sloped in the preliminary stage(reconizing their problems), the popular stage(spreading their prolems) and the formal stage(forming movement organization). But not steped in the institutional stage(being systematic group movement) yet. The followings are recommended for improvement of rural social movement. 1) The movement organization must have resources such as organized power, leadership, fund, legitimacy for mobilization, supports from the outside. 2) The rural social movement policies must be developed and programmed by the farmer's needs and it must be allied with other social movement groups. 3) The rural social movement pratices must be changed from the out of system by using violent acts and stay-in strike to the within of system by sending their representatives to the national and local assembly.
엔로플록사신 액제의 닭유래 병원세균에 대한 시험관내 항균효과 시험
윤효인,박병권,조준형,정상희,박경환,장범수,김종춘,황윤환,임종환,이내경,박승춘 충남대학교 수의과대학 동물의과학연구소 2000 動物醫科學硏究誌 Vol.8 No.-
In this study the antimicrobial spectrum and sensitivity of a liquid formulation of enrofloxacin against the major six pathogenic bacteria isolated from the diseased poultry in Korea were evaluated in comparison with ciprfloxacin (CFX), gentamicin (GM) and penicillin (PC). A liquid form of enrofloxacin, a test material and ciprofloxacin showed at least 83% antibacterial activity against all of six test pathogenic microorganisms at the fixed concentration of 10 ㎍/㎖. Gentamicin and penicillin revealed much lower antibacterial activity at the same condition. We evaluated the liquid form of enrofloxacin as having widespread antibacterial spectrum against poultry infections. The liquid form of enrofloxacin showed potent antibacterial activity, with the MIC range being 0.12∼2 ㎍/㎖ against Gram positives, 0.06∼2 ㎍/㎖ against Gram negatives and 0.5∼2 ㎍/㎖ against Mycoplasma spp. These values were equivalent to or somewhat higher than those of ciprofloxacin, but much lower than those of gentamicn and penicillin. This new liquid form of enrofloxacin would find its way in application of mixing with drinking water for the prevention and treatment of diverse infections in chickens.
한국에 있어서 Sustainable Forest Management에 따른 Criteria 와 Indicator의 개발에 관한 연구
성준경,윤화영 동국대학교 생명자원과학대학 연습림 2000 연습림논문집 Vol.- No.6
Since the implementing the Statement of Forest Principles and Agenda 21 in 1992, sustainable forest management(SFM) is a main subject for forest management policy in the world. In the achievement of SFM, criterion and indicators(C&I) are essential factors. Because C&I are able to monitoring, analysis for forests and these results are used to a policy decision, the data of forest investment in the future. This is the point of C&I. Therefore, the C&I are made for SFM certainly and included the dynamical factors of forest and social factors, environmental factors etc. A purpose of this study is C&I development for SFM in Korea. This study presents 6 criterion and 44 indicators. These C&I are included the forest health, multiple benefits of forests to society and the accepting society's for SFM. This study is experimental research. Therefore, these C&I are able to supplement and change.
성준경,윤화영 동국대학교 대학원 2001 東院論集 Vol.14 No.-
Since the Statement of Forest Principles and Agenda 21 in 1992, sustainable forest management(SFM) has become a main subject for forest management in the world. For achievement of SFM, criterion and indicator(C&I) are essential factors. The Montreal Process was formed in Geneva, Switzerland, in June 1994 to develop and implement internationally agreed criteria and indicators for the conservation and sustainable management of temperate and boreal forests. At the 6th meeting of the Montreal Process Working Group in Santiago, Chile, in 1995. And then, the 10 member countries endorsed a statement of political commitment known as the "Santiago Declaration" which included a comprehensive framework of 7 criteria and 67 indicators. Among the these C&I, the criterion 7 is an effective legal and institutional framework. The first indicators of criterion 7 is the legal framework(laws, regulations, guidelines), including the 5 assessment extent, to support sustainable forest management. A purpose of this study is the assessment of criterion 7, especially the legal framework, for SFM in the Korean Forest Law. As a results of this study, the korean forest law is relatively well organized for SFM. But the indicator 7.1.b which is the legal framework to provide opportunities for public participation in public policy and decision-making related to forests and public access to information will have to develop and improve for SFM.
박준수,송성진,김영환,조현,임수용,윤남균,이정기,박영주 한국비파괴검사학회 2003 학술대회 논문집 Vol.- No.1
Ultrasonic testing method has been developed to evaluate adhesive layers in blast tube for the reliability of the rocket. The main objective of the present work was to find debonding and uncharged state between steel and FRP layers. We distinguish the debonding and uncharged state using the resonance method in the adhesive layers. It was found that the higher magnitude of ultrasound is reflected for the uncharged area in frequency domain, and shown good agreements with experimental results. The traditional ultrasonic pulse-echo method offers good implements for the distinction debonding area. The nondestructive testing results were compared with the micrography of destruective testing. As results, ultrasonic testing could be utilized for the evaluation of adhesive layer in the blast tube.